Sørvágsvatn/Leitisvatn is the biggest lake of the Faroe Islands. It is situated on the island of Vágar between the municipalities of Sørvágs Kommuna and Vága kommuna. The name Sørvágsvatn means 'The lake of Sørvágur'.In size it is 3.4 km2, more than three times the size of the second biggest lake Fjallavatn, which also lies on the island of Vágar.
In fact, in the world there are so many similar reservoirs. the lake has two names because it is located near the tow village, village Miðvágur called lake Letisvatn because the land near the lake they call Leite, and the village Sørvágur, which is just closed from the lake requires that the name of the lake was in honor of their village, because it is based Midvagsa much earlier. The locals mostly calling it the lake Vatni.